Home / 456,622.82-684,938.94-203,916.18

Finding the Fourth Proportional to 456,622.82, 684,938.94 and 203,916.18

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Solution

The fourth proportional to 456,622.82, 684,938.94 and 203,916.18 is: 305,876.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,622.82 : 684,938.94 = 203,916.18 : x
  2. Step 2: Convert to fraction form
    456,622.82/684,938.94 = 203,916.18/x
  3. Step 3: Cross multiply
    456,622.82x = 684,938.94 × 203,916.18
  4. Step 4: Simplify right side
    456,622.82x = 139,670,133,981.89
  5. Step 5: Solve for x
    x = 139,670,133,981.89/456,622.82
  6. Step 6: Final answer
    x = 305,876.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.